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FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
General information
13/2 Siemens MD 10.1 · 2008
13
nOverview
Coupling suitable for potentially explosive environments. Complies with Directive 94/9/EC for:
II 2 Gc T3 D160 °C II B–30 °C % Ta %+50 °C
I M2
nBenefits
FLUDEX couplings are hydrodynamic fluid couplings which op-erate on the Föttinger principle. The coupling parts on the input and output sides are not mechanically connected to each other. Output is transmitted via the oil filling which rotates in the cou-pling and is conducted over radially arranged blades.
FLUDEX couplings limit starting and maximum torque in the drive train and, through the property of rotational slip, serve as an aid to starting the motor, as overload protection in the event of fault and for isolating torsional vibration.
When large masses are started up, the drive train is accelerated only at the torque determined by the coupling characteristic. The starting operation is spread over time, the driven machine started softly and smoothly.
In the case of special operating conditions, such as overload or blocking of the driven machine, the effect of the motor mass is eliminated and the maximum torque load of the drive train limited by the FLUDEX coupling.
The coupling then acts as a load-holding safety clutch until the drive is shut off by the motor control or coupling monitoring sys-tem.
The FLUDEX coupling further acts as a means of decoupling during torsional vibration excitation. Torsional vibration excita-tion with a frequency of >5 Hz is virtually absorbed by the cou-pling.
To compensate for shaft misalignment, the FLUDEX coupling is combined with a displacement coupling e.g. of the N-EUPEX type.
All FLUDEX couplings are designed with radial unset blades and are therefore suitable for rotation in both directions and reversing operation. They can be fitted horizontally, at an angle or verti-cally. In the case of FLUDEX couplings with a delay chamber it must be ensured, when fitting at an angle or vertically, that the delay chamber is below the working chamber.
nApplication
FLUDEX couplings are used in drives for conveyor systems such as belt conveyors, bucket elevators and chain conveyors. In heavy industry FLUDEX couplings are used for applications such as blade wheel drives, crushers, roller presses, mixers, large ventilators, boiler feed pumps, large compressors, centri-fuges and auxiliary drives for mills.
Further applications are, for example, pump drives, PTO gener-ator drives, windpower systems and door and gate drives.
In drives with diesel engine FLUDEX couplings are used on driven machines with a high mass moment of inertia.
nDesign
FLUDEX couplings are constructed of just a few, robust compo-nents. Internal components include the hollow shaft or solid shaft (106), to which the blade wheel (105) is connected. The outer housing comprises the cover (102) and the blade wheel housing (101). The joint is constructed as a bolted flange joint and sealed with an O ring. The outer housing and the shaft or hollow shaft have double bearing support and are sealed off to the outside with radial shaft seals. The coupling is provided with two filler plugs (153) with integral overflow protection and with one or two fusible safety plugs (103) in the coupling housing for protection against overheating. The fusible safety plug or a screw plug fitted in the same position also serves as a fluid drain plug and with the aid of a scale marking on the housing can be used as a level indicator.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
General information
13/3Siemens MD 10.1 · 2008
13
Materials
Blade wheel and housing
Cast aluminum AlSi10Mg
Shaft and hollow shaft
Steel with a yield point higher than 400 N/mm2
Static seals and radial shaft seals
Perbunan NBR or Viton FPM
Add-on parts
Grey cast iron EN-GJL-250, spheroidal graphite cast iron EN-GJS-400 or steel with a yield point higher than 400 N/mm2
Fusible safety plugs
If a FLUDEX coupling is operated with an impermissibly high slip for a prolonged period, the oil filling and the coupling housing will overheat. Fusible safety plugs which release the oil filling into the environment upon reaching a preset temperature are there-fore fitted in each coupling housing. These protect the coupling from irreparable damage through overheating or overpressure and disconnect the drive motor from the driven machine.
Thermal equipment
1) not available for size 222
Suitability:1 = suitable for continuous coupling operation temperatures
up to 85 °C2 = suitable for continuous coupling operation temperatures
up to 110 °C
The switchgear or sensor and evaluation instrument for the EOC system must be ordered separately, using the product code.
Thermal switching equipment
By adding thermal switching equipment leakage and loss of the hydraulic fluid as well as a risk to and contamination of the envi-ronment in the event that the coupling overheats can be avoided.
The thermal switching equipment does not work if a machine side is blocked and the coupling housing is connected to this side. If the coupling is stationary, the switching pin cannot actu-ate the switching equipment.
The thermal switching equipment comprises the thermal switch and the switchgear.
The switchgear comprises a limit switch with a make-and-break contact and a swiveling cam. Limit switch and cam are mounted on a common base plate. The thermal switch is screwed into the housing in place of a screw plug. The fusible safety plug (with a higher response temperature) remains in the coupling for addi-tional safety.
If the set temperature is exceeded, the switching pin is released from the fusible element, emerges 10 mm from the housing and actuates the switchgear while the coupling is rotating. The switchgear can cut out the drive motor and/or trigger an optical or acoustic alarm signal.
The housing of the coupling remains closed and no operating fluid will escape.
Assignment
From coupling size 297, the thermal switching equipment can be used up to a peripheral speed of 50 m/s. At higher speeds, an EOC system should be provided.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
General information
13/4 Siemens MD 10.1 · 2008
13
Switchgear: FFA 000000652020
EOC system
On the EOC system the temperature-dependent magnitude of the magnetic field of the EOC transmitter is measured and used for a switching pulse. The transmitter signal is transmitted via the fixed sensor to the evaluation instrument and there compared with the set value. If the signal does not exceed the minimum value or no signal is received, the relay of the evaluation instru-ment switches over. This can cause a malfunction message to be sent and the motor cut out. The coupling housing remains closed. The fusible safety plug with a higher response tempera-ture remains in the coupling for additional safety.
Components of the EOC system
Radius of travel R to the transmitter
L1
S1
S2
13
14
21
22
K1
K1
H1
F G_MD10_EN_00110
6 mm stroke
Limit switches
Wiring proposal
Motor
contactor
Snap-action contact
Code number 11
DIN EN 50013
ON
OFF
8
Ø9
48
18
20
52
22
44
12
4
70PG 13.5
G_M
D10
_E
N_00109a
Component Product code Note
EOC transmitter FFA 000000652781 Supplied with coupling
Seal FFA 000000306525
Sensor EOC FFA 000000361460 To be ordered separately
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
General information
13/5Siemens MD 10.1 · 2008
13
n Function
Föttinger principle
Two opposing, radially bladed impellers are housed in a leak-proof housing. The impellers are not mechanically connected to each other. Because of the axially parallel arranged blades, the torque is transmitted independently of the direction of rotation and solely by the oil filling.
Hydrodynamic couplings have the characteristic properties of fluid flow engines. The transmissible torque depends on the density and quantity of the operating fluid and increases as the square of the drive speed and the fifth power of the profile diam-eter denoting the coupling size. In the driven pump impeller, me-chanical energy is converted into kinetic flow energy of the op-erating fluid. In the turbine impeller, which is connected to the output side, flow energy is converted back to mechanical en-ergy.
To generate the operating fluid circulation necessary for torque transmission, a difference in speed is necessary between the pump and turbine impellers. A centrifugal force pressure field is set up that is greater in the faster rotating pump impeller than in the turbine impeller. The difference in speed, usually termed “slip”, at the continuous operating point of the coupling is be-tween 2 % and 6 %, depending on application and coupling size. Immediately after drive motor start-up slip is 100 %, i.e. the pump impeller is driven at the speed of the motor, but the turbine impeller remains stationary.
Slip multiplied by the transmitted power represents the power loss of the coupling, which is converted into heat inside the oil filling. The amount of heat generated must be released into the environment via the coupling housing to prevent an impermissi-ble temperature rise. The rated coupling output is mainly deter-mined by the power loss which can be dissipated at a still ac-ceptable operating temperature or a reasonable set slip limit. This distinguishes the FLUDEX coupling from all positively act-ing coupling assembly options for which the rated coupling torque is the defining characteristic.
Depending on the FLUDEX coupling series, drive is via the inner rotor (shaft/hollow shaft with rigidly connected blade wheel) or via the bladed housing impeller (blade wheel housing). The driv-ing impeller is the pump impeller, and the driven impeller is the turbine impeller.
A low-viscosity mineral oil VG 22/VG 32, which also serves to lu-bricate the bearings, is used as fluid. In special types water, a water emulsion or low-flammability fluid may be used as a non-combustible fluid.
Slip-torque characteristics for different filling levels FG
The torque characteristic depends on the oil filling quantity FG in the coupling. This enables the transmissible torque on starting up to be set via the filling level. With a higher filling level the start-ing torque increases, while the operating slip and thus the cou-pling temperature rise decreases.
Conversely, with a lower filling level the starting torque de-creases, the coupling becomes softer, while slip and coupling temperature rise.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
General information
13/6 Siemens MD 10.1 · 2008
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Operation of the delay chamber
Starting torque can be reduced without increasing continuous operating slip by using a type of coupling with a delay chamber. On these couplings part of the oil filling is initially stored inac-tively in the delay chamber. The starting torque is considerably reduced because of the thus reduced starting filling in the work-
ing chamber of the coupling. The filling in the delay chamber runs very slowly, mostly only at the finish of the starting opera-tion, from the delay chamber into the working chamber, causing the active filling in it to rise gradually and the continuous operat-ing slip to reach a value corresponding to the whole filling.
n Technical data
Balancing FLUDEX couplings
In deviation from the balancing specifications in catalog section 2, all FLUDEX couplings complying with DIN ISO 1940 are bal-anced to balancing quality G6.3 for 1800 rpm. For operating speeds higher than 1800 rpm micro-balancing, based on oper-ating speed, can be requested (order code +W03 required).
Balancing is a two-level balancing with the specified oil quantity or a 75 % filling.
FLUDEX couplings are balanced in accordance with the half parallel key standard. Other balancing standards must be spec-ified in the order, using the product code key (see catalog sec-tion 2).
Add-on couplings are subject to the standards as set out in cat-alog section 2.
Oil filling
FLUDEX couplings can be delivered with or without oil filling.• Delivery without oil filling:without order code
• Delivery with oil filling:product code with -Z and order code F16 and Y90 with plain text specification of the oil filling quantity in liters.
• Delivery without oil filling but with oil filling quantity specifica-tion: Product code with -Z and order code Y90 with plain text specification of the oil filling quantity in liters.
Hollow shafts of the FA, FG and FV series
Variant of FLUDEX hollow shafts only with finished bore: Order code for bore diameter is required.
Operating conditions for FLUDEX couplings in potentially explosive environments
The coupling with fusible safety plugs with identity marking T3 is suitable for the operating conditions set out in Directive
94/9/EC:
• Equipment group II (above-ground applications) temperature class T3 of categories 2 and 3 for environments where there are potentially explosive gas, vapors, mist and air mixtures and for environments where dust can form potentially explo-sive atmospheres.
• Equipment group I (below-ground applications) of category M2
If used in potentially explosive environments under ground, aluminum couplings must be provided with a robust enclo-sure to preclude the risk of ignition caused by e.g. friction, impact or friction sparks. The deposit of heavy-metal ox-ides (rust) on the coupling housing must be prevented by the enclosure or other suitable means.
FLUDEX couplings can be delivered with fitted brake disk or V-belt pulley.Designing the belt drive or the brake disk to conform with the guidelines is the responsibility of the subassembly sup-plier. It should be noted that there is a risk from, amongst other things, electrostatic charges and hot surfaces. Under BGR 132 (regulations of German Institute for Occu-pational Safety) the use of V-belts in conjunction with IIC gases is not permitted.
Axial retention
Axial retention is provided by a set screw or end washer with a retaining screw for shaft ends to DIN 748/1 with a centering thread to DIN 332/2. Other methods must be specified in the order, using the product code with -Z and order code Y99 with plain text specification.
Bore and keyway width tolerances are specified in catalog sec-tion 15.
Weights specified in the dimension order tables apply to maxi-mum bore diameters without oil filling.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
General information
13/7Siemens MD 10.1 · 2008
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nConfiguration
Selection of FLUDEX coupling
In accordance with the requirements catalog various series, sizes and types of FLUDEX coupling are available. The FLUDEX coupling series is characterized by various flow chamber config-urations, fitted delay chambers or fittings in the flow chamber. The types are determined by the design of the add-on coupling. This results in different starting factors and characteristics which
can be used for the most varied applications. The size is speci-fied by stating the flow outside diameter.
When selecting, the series required for the application, taking into account the starting factor and the characteristic, must be selected.
Selection of FLUDEX series
FLUDEX couplings which are to be used without special condi-tions solely as an aid to starting the motor can be selected using the assignment tables on page 13/12 (for n = 1500 rpm) or page13/14 (for n = 3000 rpm).
If special requirements, based on the operating method of the prime mover or driven machine, are made of the coupling or the coupling is to be used in extreme environmental conditions, please give specific details in the enquiry or order. The form “Technical specifications for the selection of type and size” can be used for this purpose.
Description of the FLUDEX series
FA series – drive via the hollow shaft (impeller drive)
FLUDEX FA series couplings are basic couplings (without delay chamber) which are driven via the hollow shaft (106) with at-tached blade wheel (105). This enables the advantages of the compensating chamber and the working chamber to be used to best effect. Combinations with brake drums/disks and pulleys can also be easily achieved. When the coupling is started, part of the oil filling in the area of greatest slip is forced into the radi-ally inner chambers and the compensating chamber by the strong rotational flow. This causes the effective oil filling in the working chamber to be reduced and the desired torque limita-tion (approx. twice TN) to be achieved during starting. By means of additional fittings the coupling torque at the start of the start-ing operation can be limited to approx. 1.5 times of the rated value. During run-up to speed the compensating chamber again empties into the working chamber, and this helps to reduce slip.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
General information
13/8 Siemens MD 10.1 · 2008
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FG and FV series – drive via the housing
FLUDEX FG and FV series couplings are designed for drive via the coupling housing. In the FV series (coupling with delay chamber), the motor drives the coupling housing, comprising a blade wheel (101) and a cover (102), via the flexible N-EUPEX coupling (part 2/3) and the delay chamber (115). The rotational flow of the coupling filling drives the blade wheel (105) and the hollow shaft (106) on the output side, which is mounted on the gear unit or driven machine shaft. In the FG series (basic cou-pling), there is no delay chamber, and the flexible coupling is directly flange-mounted on the blade wheel.
When the coupling is started up, part of the oil filling is forced into the damming chamber. This enables the desired torque lim-itation (approx. twice TN) to be achieved during starting. In the FV series the delay chamber also receives part of the oil filling in accordance with the fluid level when the coupling is stationary. During starting the effective oil filling in the working chamber is
reduced by the amount of fluid in the delay chamber, thus con-siderably reducing the starting torque (approx. 1.5 times TN). From the delay chamber located on the drive side, the oil is fed back time-dependently to the working chamber via small holes and the coupling torque is raised, even if the output is blocked.
This replenishing function enables a drive to be soft-started with a very low starting torque and with an almost load-free motor. At the same time, however, increased load torques can be over-come by the torque increase in the coupling.
The property of the coupling with delay chamber can be used advantageously, for example, to soft-start empty, partly loaded and fully loaded conveyor belts.
FG series couplings are used for normal starting torque limita-tion, as a starting clutch for isolating vibration and for overload limitation in the event of drive blockage.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
General information
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FN series – drive via the housing
FLUDEX FN series couplings have a larger delay chamber than the FV series. The delay chamber is designed as a hub carrier (120) and is mounted on the motor shaft. The hub carrier is flange-fitted to the housing (101, 102) of the FLUDEX coupling. Output is via the blade wheel (105) and the shaft (106) to the flexible N-EUPEX coupling connecting to the gear unit or driven machine. With types FND, FNDB and FNDS the coupling can be dismounted radially without moving the coupled machines.
Because of the larger delay chamber, FN couplings enable even softer starting than FV couplings. Torque limitation during start-ing is approx. 1.3 times TN. A further advantage of types FNDB and FNDS is the favorable weight distribution.
The normally stronger motor shaft bears the weight of the hub carrier (cast version) and the main coupling. The gear unit shaft carries only the brake drum or disk and the output-side part of the flexible coupling. At the same time, the principle of the drive-side delay chamber with the capacity for increasing torque time-dependently is retained. FN couplings have the same fields of application as FV couplings. However, they offer special advan-tages in the brake disk design because of the weight distribu-tion.
Depending on the series selected, different starting characteristics arise during starting.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
General information
13/10 Siemens MD 10.1 · 2008
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Selection of FLUDEX type
Listed in the catalog are FLUDEX couplings with pulley, brake drum, brake disk and flexible N-EUPEX coupling. Further types, e.g. in combination with a torsionally rigid steel
membrane coupling of the ARPEX series or a highly flexible cou-pling of the ELPEX or ELPEX-S series, are available.
The maximum shaft displacements permissible for an N-EUPEX add-on coupling are shown in catalog section 7. For greater shaft displacements FLUDEX couplings can be combined with cardan shafts or other displacement couplings.
Series Type Add-on coupling Characteristic feature
FA
- without delay chamber
- impeller-driven
- Starting torque: Tmax = 2.0 x Teff- Starting aid for standard motors and torsional vibration isolation
FAO Without Basic coupling with connecting flange
FAR Without with attached pulley
FAD N-EUPEX D 1)
FAE N-EUPEX E enables larger bores on the output side
FAM N-EUPEX M enables a short fitting length
FADB N-EUPEX D with brake drum
FADS SB N-EUPEX D 1) with brake disk for stopping brakes
FADS HB N-EUPEX D 1) with brake disk for blocking brakes
FG
- without delay chamber
- Housing-driven
- Starting torque: Tmax = 2.0 x Teff- Starting aid for standard motors, for torsional vibration isolation and for overload limitation in the event of drive blockage.
FGO Without Basic coupling with connecting flange
FGD N-EUPEX D 1)
FGE N-EUPEX E enables larger bores on the output side
FGM N-EUPEX M enables a short fitting length
FV
- with delay chamber
- Housing-driven
- Starting torque: Tmax = 1.5 x Teff- Starting aid for motors and soft-starting of conveyor equipment
FVO Without Coupling with connecting flange
FVD N-EUPEX D 1)
FVE N-EUPEX E enables larger bores on the output side
FVM N-EUPEX M enables a short fitting length
FN
- with large delay chamber
- Housing drive via hub carrier
- Starting torque: Tmax = 1.3 x Teff- Starting aid for motors with very unfavorable characteristic and soft-starting of empty and full conveying equipment
- favorable weight distribution on brake-drum variant
FNO Without Coupling with connecting shaft
FNA N-EUPEX A 1) enables a short fitting length
FND N-EUPEX D 1) 2)
FNDB N-EUPEX D 1) 2) with brake drum
FNDS SB N-EUPEX D 1) 2) with brake disk for stopping brakes
FNDS HB N-EUPEX D 1) 2) with brake disk for blocking brakes
1) Enables change of flexible elements without moving the machines axi-ally.
2) Enables the coupling to be fitted or dismounted without displacing the coupled machines.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
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13/11Siemens MD 10.1 · 2008
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Selection of FLUDEX size
The FLUDEX size is determined by the output to be transmitted in comparison with the rated outputs listed in the following ta-bles. No application factors or additional safety factors need be taken into consideration. The rated outputs stated in the tables normally require the maximum permissible filling (80 % to 85 %) of the coupling and because of operating slip, lead to the cou-
pling heating up by approx. 50 °C relative to the ambient (cool-ing air) temperature. With lower outputs, coupling heating will be proportionately lower. If for continuous operation of the coupling an absolute temperature (ambient temperature + coupling heat-ing) of >85 °C is expected, the coupling must be fitted with FPM seals and 160 °C fusible safety plugs.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
FLUDEX coupling as aid to starting IEC motors
13/12 Siemens MD 10.1 · 2008
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n Selection and ordering data
Speed n = 1500 rpm
This assignment offers safety in normal load cases and includes standard types with 140 °C fusible safety plugs, for horizontal fitting and an ambient air temperature from –40 °C to +40 °C.
1) If the recommended number of belts is ..X, raw-edged belts are required.
2) Larger bores on the output side are possible with type FAE.
L1
LG L1 S NL2
LG
ØD
1
ØD
1
ØD
A
ØD
2
ØD
A
G_M
D10
_E
N_00121a
V-belt pulleyOutput
Type FAR Type FAD
Part 3
Part 2Output
ØD
3 =
N-E
UP
EX
siz
e
Three-phase motor FLUDEX Type FAR (with V-belt pulley) Type FAD (with N-EUPEX D add-on coupling)
Size PM Size Oil filling
DA Pro-file, pitch Ø
No. of grooves
Recom-mended no. of belts 1)
LG Product code Weight LG NL2 D3 D22) Product code Weight
1500 rpm
D1x L1
with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
Available ex stock
Available at short term m max. Available at short term m
kW mm l mm mm mm kg mm mm mm mm kg
80 M 0.55 19 x 40
222 0.9 263 SPZ 100
2 1 153 2LC0900-0AF90-0AA0L0L
12 180 40 110 38 2LC0900-0AA9L0L+M..
n -0AA0 12
80 M 0.75 19 x 40
1.0 SPZ 100
2 1 2LC0900-0AF90-0AA0L0L
2LC0900-0AA9L0L+M..
n -0AA0
90 S 1.1 24 x 50
1.1 SPZ 100
2 1 2LC0900-0AF90-0AA0L0P
2LC0900-0AA9L0P+M..
n -0AA0
90 L 1.5 24 x 50
1.2 SPZ 100
2 1 2LC0900-0AF90-0AA0L0P
2LC0900-0AA9L0P+M..
n -0AA0
100 L 2.2 28 x 60
1.4 SPZ 100
2 2 2LC0900-0AF90-0AA0L0R
2LC0900-0AA9L0R+M..
n -0AA0
100 L 3 28 x 60
1.5 SPZ 100
2 2 2LC0900-0AF90-0AA0L0R
2LC0900-0AA9L0R+M..
n -0AA0
112 M 4 28 x 60
1.6 SPZ 160
3 2 2LC0900-0AF91-0AA0L0R
14 2LC0900-0AA9L0R+M..
n -0AA0
132 S 5.5 38 x 80
1.65 SPZ 160
3 2 2LC0900-0AF91-0AA0L0V
2LC0900-0AA9L0V+M..
n -0AA0
'D2: • Without finished bore 1
• With finished bore – With order codes for diameter and tolerance (product code without -Z) 9
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
FLUDEX coupling as aid to starting IEC motors
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Delivery without oil filling: Without order code.
Delivery with oil filling (only above –20 °C): Product code with “-Z” and order codes “F16” and “Y90” with plain text specifica-tion of the oil filling quantity in liters.
Delivery with specification of oil filling quantity: Product code with “-Z” and order code “Y90” with plain text specification of the oil filling quantity in liters.
Axial retention is provided by a set screw and/or end washer with a retaining screw for shaft ends to DIN 748/1 with a centering thread to DIN 332/2. Other methods must be specified in the order using the product code with “-Z” and order code “Y99” with plain text specifica-tion.
Ordering example:Drive with motor 200 L, 30 kW at 1470 rpm with starting clutch and pulley
Selection: FLUDEX FAR 342 coupling, standard type, Hollow shaft: Bore ØD1 = 55H7 with keyway to DIN 6885/1 and retaining screw, with pulley 5xSPA Ø180.
Product code:
• Delivery without oil filling: 2LC0900-2AF90-0AA0L1D
• Delivery with oil filling: 2LC0900-1AF90-0AA0-ZL1D+F16+Y90plain text to Y90: 6.0 l
• Delivery with specification of oil filling quantity: 2LC0900-1AF90-0AA0-ZL1D+Y90plain text to Y90: 6.0 l
Three-phase motor FLUDEX Type FAR (with V-belt pulley) Type FAD (with N-EUPEX D add-on coupling)
Size PM Size Oil filling
DA Pro-file, pitch Ø
No. of grooves
Recom-mended no. of belts 1)
LG Product code Weight LG NL2 D3 D22) Product code Weight
1500 rpm
D1x L1
with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
Available ex stock
Available at short term m max. Available at short term m
kW mm l mm mm mm kg mm mm mm mm kg
132 M 7.5 38 x 80
297 3.2 340 SPZ 150
5 3 226 2LC0900-1AF90-0AA0L0V
27 233 50 125 45 2LC0900-1AA9L0V+M..
n -0AA0 24
160 M 11 42 x 110
3.5 SPZ 150
5 4 2LC0900-1AF90-0AA0L0X
2LC0900-1AA9L0X+M..
n -0AA0
160 L 15 42 x 110
3.8 SPZ 150
5 5 2LC0900-1AF90-0AA0L0X
2LC0900-1AA9L0X+M..
n -0AA0
180 M 18.5 48 x 110
4.0 SPA 190
4 4 2LC0900-1AF91-0AA0L1B
32 2LC0900-1AA9L1B+M..
n -0AA0
180 L 22 48 x 110
342 5.5 400 SPA 180
5 5 278 2LC0900-2AF90-0AA0L1B
40 271 55 140 50 2LC0900-2AA9L1B+M..
n -0AA0 34
200 L 30 55 x 110
6.0 SPA 180
5 5X 2LC0900-2AF90-0AA0L1D
2LC0900-2AA9L1D+M..
n -0AA0
225 S 37 60 x 140
395 7.6 448 SPB 224
5 5 325 2LC0900-3AF90-0AA0L1E
63 299 90 225 85 2LC0900-3AA9L1E+M..
n -0AA0 53
225 M 45 60 x 140
7.9 SPB 224
5 5 2LC0900-3AF90-0AA0L1E
2LC0900-3AA9L1E+M..
n -0AA0
250 M 55 65 x 140
8.4 SPB 224
5 5X 2LC0900-3AF90-0AA0L1F
2LC0900-3AA9L1F+M..
n -0AA0
280 S 75 75 x 140
450 10.8 512 SPB 250
8 7 410 2LC0900-4AF90-0AA0L1H
94 338 100 250 95 2LC0900-4AA9L1H+M..
n -0AA0 70
280 M 90 75 x 140
11.3 SPB 250
8 8 2LC0900-4AF90-0AA0L1H
2LC0900-4AA9L1H+M..
n -0AA0
315 S 110 80 x 170
12.0 SPB 250
8 8X 2LC0900-4AF90-0AA0L1J
2LC0900-4AA9L1J+M..
n -0AA0
315 M 132 80 x 170
516 17.7 584 SPB 315
10 10 491 2LC0900-5AF90-0AA0L1J
152 398 125 315 120 2LC0900-5AA9L1J+M..
n -0AA0 113
315 M 160 80 x 170
18.6 SPB 315
10 10X 2LC0900-5AF90-0AA0L1J
2LC0900-5AA9L1J+M..
n -0AA0
'D2: • Without finished bore for sizes 222 to 450 and 516 with small hub ('D2 max. 100 mm) – Without order code M.. 1
• Without finished bore only for size 516 with large hub ('D2 max. 88 … 120 mm) – Without order code M.. 2
• With finished bore – With order codes for diameter and tolerance (product code without -Z) 9
1) If the recommended number of belts is ..X, raw-edged belts are required.
2) Larger bores on the output side are possible with type FAE.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
FLUDEX coupling as aid to starting IEC motors
13/14 Siemens MD 10.1 · 2008
13
n Selection and ordering data
Speed n = 3000 rpmThis assignment offers safety in normal load cases and includes standard types with 140 °C fusible safety plugs, for horizontal fitting and an ambient air temperature from –40 °C to +40 °C.
1) If the recommended number of belts is ..X, raw-edged belts are required.
2) Larger bores on the output side are possible with type FAE.
3) Variant with shallow keyway to DIN 6885/3.
L1
LG L1 S NL2
LG
ØD
1
ØD
1
ØD
A
ØD
2
ØD
A
G_M
D10
_E
N_00121a
V-belt pulleyOutput
Type FAR Type FAD
Part 3
Part 2Output
ØD
3 =
N-E
UP
EX
siz
e
Three-phase motor
FLUDEX Type FAR (with V-belt pulley) Type FAD (with N-EUPEX D add-on coupling)
Size PM Size Oil fill-ing
DA Pro-file, pitch Ø
No. of grooves
Recom-mended no. of belts 1)
LG Product code Weight LG NL2 D3 D22) Product code Weight
3000 rpm
D1x L1
with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
max. with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
Available at short term m Available at short term m
kW mm l mm mm mm kg mm mm mm mm kg
90 S 1.5 24 x 50
222 0.7 263 SPZ 100
2 1 153 2LC0900-0AF90-0AA0-Z L0P+W03
12 180 40 110 38 2LC0900-0AA9 L0P+M..+W03
n -0AA0-Z 12
90 L 2.2 24 x 50
0.8 SPZ 100
2 1 2LC0900-0AF90-0AA0-Z L0P+W03
2LC0900-0AA9 L0P+M..+W03
n -0AA0-Z
100 L 3 28 x 60
0.9 SPZ 100
2 1 2LC0900-0AF90-0AA0-Z L0R+W03
2LC0900-0AA9 L0R+M..+W03
n -0AA0-Z
112 M 4 28 x 60
1.0 SPZ 100
2 2 2LC0900-0AF90-0AA0-Z L0R+W03
2LC0900-0AA9 L0R+M..+W03
n -0AA0-Z
132 S 5.5 38 x 80
1.0 SPZ 100
2 2 2LC0900-0AF90-0AA0-Z L0V+W03
2LC0900-0AA9 L0V+M..+W03
n -0AA0-Z
132 S 7.5 38 x 80
1.1 SPZ 160
3 2 2LC0900-0AF91-0AA0-Z L0V+W03
14 2LC0900-0AA9 L0V+M..+W03
n -0AA0-Z
160 M 11 423) x 110
1.2 SPZ 160
3 2 2LC0900-0AF91-0AA0-Z L0X+W03
2LC0900-0AA9 L0X+M..+W03
n -0AA0-Z
160 M 15 423) x 110
1.3 SPZ 160
3 3 2LC0900-0AF91-0AA0-Z L0X+W03
2LC0900-0AA9 L0X+M..+W03
n -0AA0-Z
160 L 18.5 423) x 110
1.4 SPZ 160
3 3 2LC0900-0AF91-0AA0-Z L0X+W03
2LC0900-0AA9 L0X+M..+W03
n -0AA0-Z
'D2: • Without finished bore – Without order code M.. 1
• With finished bore – With order codes for diameter and tolerance (product code without -Z) 9
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
FLUDEX coupling as aid to starting IEC motors
13/15Siemens MD 10.1 · 2008
13
Delivery without oil filling: Without order code.
Delivery with oil filling (only above –20 °C): Product code with “-Z” and order codes “F16” and “Y90” with plain text specifica-tion of the oil filling quantity in liters.
Delivery with specification of oil filling quantity: Product code with “-Z” and order code “Y90” with plain text specification of the oil filling quantity in liters.
Axial retention is provided by a set screw and/or end washer with a retaining screw for shaft ends to DIN 748/1 with a centering thread to DIN 332/2. Other methods must be specified in the order using the product code with “-Z” and order code “Y99” with plain text specifica-tion.
Ordering example:Drive with motor 280 M, 90 kW at 2950 rpm with starting clutch for connecting two shafts.
Selection: FLUDEX FAD 395 coupling, standard type, Hollow shaft: Bore ØD1 = 65H7 with keyway to DIN 6885/1 and retaining screw, Part 2: Bore ØD2 = 60H7 with keyway to DIN 6885/1 and set screw.
Product code:
• Delivery without oil filling: 2LC0900-3AA99-0AA0-ZL1F+M1E+W03
• Delivery with oil filling: 2LC0900-3AA99-0AA0-ZL1F+M1E+W03+F16+Y90plain text to Y90: 5.6 l
• Delivery with specification of oil filling quantity: 2LC0900-3AA99-0AA0-ZL1F+M1E+W03+Y90plain text to Y90: 5.6 l
180 M 22 48 x 110
297 2.5 340 SPZ 150
5 4 226 2LC0900-1AF90-0AA0-Z L1B+W03
27 233 50 125 45 2LC0900-1AA9 L1B+M..+W03
n -0AA0-Z 24
200 L 30 55 x 110
2.7 SPZ 150
5 5 2LC0900-1AF90-0AA0-Z L1D+W03
2LC0900-1AA9 L1D+M..+W03
n -0AA0-Z
200 L 37 55 x 110
2.8 SPA 190
4 4 2LC0900-1AF91-0AA0-Z L1D+W03
32 2LC0900-1AA9 L1D+M..+W03
n -0AA0-Z
225 M 45 55 x 110
2.9 SPA 224
5 4 2LC0900-1AF92-0AA0-Z L1D+W03
35 2LC0900-1AA9 L1D+M..+W03
n -0AA0-Z
250 M 55 603) x 140
3.1 SPA 224
5 5 2LC0900-1AF92-0AA0-Z L1E+W03
2LC0900-1AA9 L1E+M..+W03
n -0AA0-Z
280 S 75 65 x 140
395 5.3 448 SPB 236
7 5 363.5 2LC0900-3AF91-0AA0-Z L1F+W03
70 299 90 225 85 2LC0900-3AA9 L1F+M..+W03
n -0AA0-Z 53
280 M 90 65 x 140
5.6 SPB 236
7 6 2LC0900-3AF91-0AA0-Z L1F+W03
2LC0900-3AA9 L1F+M..+W03
n -0AA0-Z
315 S 110 65 x 140
5.9 SPB 236
7 7 2LC0900-3AF91-0AA0-Z L1F+W03
2LC0900-3AA9 L1F+M..+W03
n -0AA0-Z
315 M 132 65 x 140
6.2 SPB 236
7 7X 2LC0900-3AF91-0AA0-Z L1F+W03
2LC0900-3AA9 L1F+M..+W03
n -0AA0-Z
315 L 160 65 x 140
6.8 SPB 280
7 7X 2LC0900-3AF92-0AA0-Z L1F+W03
83 2LC0900-3AA9 L1F+M..+W03
n -0AA0-Z
Three-phase motor
FLUDEX Type FAR (with V-belt pulley) Type FAD (with N-EUPEX D add-on coupling)
Size PM Size Oil fill-ing
DA Pro-file, pitch Ø
No. of grooves
Recom-mended no. of belts 1)
LG Product code Weight LG NL2 D3 D22) Product code Weight
3000 rpm
D1x L1
with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
max. with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
Available at short term m Available at short term m
kW mm l mm mm mm kg mm mm mm mm kg
'D2: • Without finished bore – Without order code M.. 1
• With finished bore – With order codes for diameter and tolerance (product code without -Z) 9
1) If the recommended number of belts is ..X, raw-edged belts are required.
2) Larger bores on the output side are possible with type FAE.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Type FAO
13/16 Siemens MD 10.1 · 2008
13
n Selection and ordering data
Basic coupling of the FA series with connecting flange.
Ordering example:Motor 37 kW, Peff = 30 kW, n1 = 1470 rpm, maximum output torque: Tmax = 2.0 x Teff.
Selection:FLUDEX FAO coupling size 342, Hollow shaft: Bore ØD1 = 60H7 mm with keyway to DIN 6885/3 and retaining screw, seal set Viton.Specification of oil filling quantity: 6.0 l (see under oil filling quan-tities for the FA series in this catalog section).
Product code:
• With 110°C fuse: 2LC0900-2AG90-0AA0-ZL1E+Y90+F05plain text to Y90: 6.0 l
• With 140°C fuse: 2LC0900-2AG90-0AA0-ZL1E+Y90+F07plain text to Y90: 6.0 l
ØD
FK
ØD
FA
J7
ØD
FN
ZF
xM
ØD
FK
ØD
FN
j7
ØD
FA
ZF
xM
ØD
A
ØD
1
L1
L6 T BF
L3
L6 T BF
L3
LGØ
DA
ØD
1
L1
LG
Sizes 297 ... 590
OutputDrive
Hollow shaft
OutputDrive
Hollow shaft
Size 222
G_M
D10
_E
N_00122a
Size Maxi-mum speed
Dimensions in mm Tightening torque
for screws in thread ZF x M
Product code Weight
Flange connection with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Type FAD
13/18 Siemens MD 10.1 · 2008
13
n Selection and ordering data
Type with attached N-EUPEX D coupling. Enables change of flexible elements without axial displacement of the shafts if the space “A” is provided.
Ordering example:Motor 160 kW, Peff = 132 kW, n1 = 1470 rpm, maximum output torque: Tmax = 2.0 x Teff.
Selection: FLUDEX FAD coupling size 516, Hollow shaft: Bore ØD1= 80H7 mm with keyway to DIN 6885/1 and retaining screw, Part 2: with finished bore ØD2 = 80H7
Specification of oil filling quantity: 16.9 l (see under oil filling quantities for the FA series in this catalog section).
Product code:2LC0900-5AA99-0AA0-ZL1J+M1J+Y90plain text to Y90: 16.9 l
ØD
A
ØD
1
L1 NL2
L2
L1 NL2
LG
LG
ØD
2
A
S
ØD
3
ØD
2
A
ØD
3
ØD
A
ØD
1
S
Hollow shaft
Sizes 222 ... 342
G_MD10_EN_00124a
Drive Output
Part 3
Part 2
Sizes 395 ... 590
Hollow shaft
Drive Output
Part 3
Part 2
Size Maxi-mum speed
Dimensions in mm Product code Weight
FLUDEX coupling N–EUPEX D coupling with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
Selection: FLUDEX FAE coupling size 342, Hollow shaft: Bore ØD1= 55H7 mm with keyway to DIN 6885/1 and retaining screw, Part 4: Bore ØD2 = 60H7 with keyway to DIN 6885/1 and set screw, with micro-balancing (high speed), with electronic or mechanical operation monitoring, seal set Perbunan. Delivery without oil filling, no oil filling quantity specification.
Product code:
• With 110 °C thermal switch: 2LC0900-2AB99-0AA0-ZL1D+M1E+W03+F03plain text to Y90: 16.9 l
• With 125 °C EOC transmitter:2LC0900-2AB99-0AA0-ZL1D+M1E+W03+F04
ØD
A
ØD
A
L1
ØD
1
ØD
1
ØD
2
ØD
2
ØD
3
ØD
3
NL2
S
S
L2
LG
L1 NL2LG
Drive Output Drive Output
Sizes 222 ... 342 Sizes 395 ... 450
Hollow shaft
Part 4
G_MD10_EN_00125a
Hollow shaft
Part 4
Size Maxi-mum speed
Dimensions in mm Product code Weight
FLUDEX coupling N–EUPEX E coupling with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
Selection: FLUDEX FAM coupling size 342, Hollow shaft: Bore ØD1 = 60H7 mm with keyway to DIN 6885/1 and retaining screw, Part 9: Bore ØD2 = 50H7 mm with keyway to DIN 6885/1 and set screw. Delivery without oil filling, no oil filling quantity specification.
Product code:
• With drive via hollow shaft: 2LC0900-2AH99-0AA0-ZL1E+M1Cplain text to Y90: 16.9 l
• With drive via housing:2LC0900-2AH99-0AA0-ZL1E+M1C+F23
ØD
A
ØD
1
L1
LG
NL2
ØD
2
S
ØD
3
Drive Output
Sizes 222 ... 342
Hollow shaft Part 9
G_MD10_EN_00126a
Size Maxi-mum speed
Dimensions in mm Product code Weight
FLUDEX coupling N–EUPEX M coupling with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
Selection: FLUDEX FADS SB coupling size 450, Hollow shaft: Bore ØD1 = 75H7 mm with keyway to DIN 6885/1 and retaining screw, Part 32: Bore ØD2 = 80H7 mm with keyway to DIN 6885/1 and retaining screw, with preservative suitable for storage indoors,shaft end insertion depth L2 = 90 mm.Delivery without oil filling, no oil filling quantity specification.
Product code:with preservation 24 months:2LC0900-4AD99-0AA0-ZL1H+M1J+B28+Y29plain text Y29: L2 = 90 mm
L2 denotes the shaft insertion depth.In the case of shaft ends deviating from DIN 748 the insertion depth must be specified in plain text with Y29.
L1 NL2 = 218
L2
185BBS
W
L4
LG
ØD
A
ØD
1
ØD
3Ø
D4
ØN
D2
ØD
2
ØD
BS
SØ
D5
ØD
A
ØD
1L1 NL2 = 218
L2
L4
LG
ØD
3Ø
D4
S
185BBS
W
ØD
5
ØN
D2
ØD
2
ØD
BS
Drive
Part 7
Part 6
Output
Hollow shaft
Part 32
G_MD10_EN_00128a
Sizes 222 ... 342
Drive Output
Hollow shaft
Part 32Part 7
Part 6
Sizes 395 ... 590
Size Maxi-mum speed
Dimensions in mm Product code Weight
FLUDEX coupling N-EUPEX coupling Part 321) Space dimen-sions
with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
nKmax D1 L1 DA LG D3 S L4 D2 ND2 DBS BBS D5 D4 W m
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Oil filling quantities for FA series
13/24 Siemens MD 10.1 · 2008
13
n Selection and ordering data
This assignment is valid for a maximum starting torque Tmax = 2.0 x Teff and mineral oils with a viscosity of VG 22/VG 32, with drive via the hollow shaft.
If other operating fluids are used, or with drive via the housing or Tmax 2.0 x Teff, changed filling quantities must be observed!
Ordering example type FAR from page 13/17:
Motor 45 kW, Peff = 37 kW, n1 = 1470 rpm, maximum output torque: Tmax = 2.0 x Teff.
Selection:FLUDEX FAR coupling size 395, Hollow shaft: Bore ØD1 = 60H7 mm with keyway to DIN 6885/1 and retaining screw. Specification of oil filling quantity: 7.6 l (see under oil filling quan-tities for the FA series in this catalog section).
Product code:
• With pulley 5xSPB224: 2LC0900-3AF90-0AA0-ZL1E+Y90plain text to Y90: 7.6 l
• With pulley 7xSPB236:2LC0900-3AF91-0AA0-ZL1E+Y90plain text toY90: 7.6 l
• With 160°C fuse: 2LC0900-3AF90-0AA0-ZL1E+Y90+F08plain text to Y90: 7.6 l
Ordering example type FADB from page 13/21:
Motor 30 kW, Peff = 22 kW, n1 = 1470 rpm
Selection: FLUDEX FADB coupling size 342, standard type, Hollow shaft: Bore ØD1 = 55H7 mm with keyway to DIN 6885/1 and retaining screw, Part 13: Bore ØD2 = 50H7 mm with keyway to DIN 6885/1 and set screw, shaft end insertion depth L2 = 90 mm.Delivery without oil filling, no oil filling quantity specification.
Product code:
• Part 13: Standard brake drum2LC0900-2AC99-0AA0-ZL1D+M1C+Y29plain text to Y29: 90 mm
• Part 13: Long brake drum2LC0900-2AC99-0BA0-ZL1D+M1C+Y29plain text to Y29: 90 mm
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Oil filling quantities for FA series
13/25Siemens MD 10.1 · 2008
13
Ordering example type FADS HB from page 13/23:
Motor 160 kW, Peff = 132 kW, n1 = 2950 rpm
Selection: FLUDEX FADS HB coupling size 395, Hollow shaft: Bore ØD1 = 65H7 mm with keyway to DIN 6885/1 and retaining screw, Part 5: Bore ØD2 = 80H7 mm with keyway to DIN 6885/1 and set screw, Fitting position: horizontal/vertical, motor overhead (MO)/motor underneath (MU),shaft insertion depth L2 = 80 mm.Delivery without oil filling, no oil filling quantity specification.
Product code:
• Horizontal version:2LC0900-3AE99-0AA0-ZL1F+M1J+Y29plain text to Y29: 80 mm
• Vertical version MO:2LC0900-3AE99-0AA0-ZL1F+M1J+F13+Y29plain text to Y29: 80 mm
• Vertical version MU:2LC0900-3AE99-0AA0-ZL1F+M1J+F14+Y29plain text to Y29: 80 mm
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Types FGO/FVO
13/26 Siemens MD 10.1 · 2008
13
n Selection and ordering data
Basic coupling of the FG series and delay chamber coupling of the FV series with connecting flange.
For ordering example, see page 13/30.
ØD
FN
ZF
x M
ZF
x M
ØD
FK
ØD
A
ØD
2
ØD
FA
J7
ØD
2
ØD
A
ØD
FK
ØD
FA
J7
L6TBF TBFL3
L2 L2
L6
L3
LGLG
Type FGO
Drive Output
Hollow
shaft
G_M
D10
_E
N_00130a
Type FVO
Drive Output
Delay chamber
Hollow
shaft
Size Type Maxi-mum speed
Dimensions in mm Tightening torque
for screws in thread ZF x M
Product code Weight
Installation dimensions Flange connection dimensions with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3D2 L2 DA LG L3 L6 DFN DFA BF DFK ZF x M T TA m
Selection: FLUDEX FVE coupling size 370, Hollow shaft: Bore ØD2 = 60H7 mm with keyway to DIN 6885/1 and retaining screw, Part 4: Bore ØD1 = 60H7 mm with keyway to DIN 6885/1 and set screw, with electronic or mechanical operation monitoring, seal set Perbunan.Delivery without oil filling, no oil filling quantity specification.
Product code:
• With 110 °C thermal switch:2LC0900-8EB99-0AA0-ZL1E+M1E+F03
• With 125 °C EOC transmitter:2LC0900-8EB99-0AA0-ZL1E+M1E+F04
ØD
1
ØD
2
ØD
1
ØD
2
ØD
A
ØD
3
ØD
A
ØD
3
NL1L1 L2 L1 L2
LG
NL1
SS
LG
Drive Output Drive Output
Type FGE
Hollow shaft
Part 4
G_MD10_EN_00132
Type FVE
Hollow shaft
Part 4
Delay
chamber
Size Type Maxi-mum speed
Dimensions in mm Product code Weight
FLUDEX coupling N–EUPEX E coupling with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
Selection: FLUDEX FGM coupling size 370, Hollow shaft: Bore ØD2 = 60H7 mm with keyway (for number of keyways, see “Special types”) to DIN 6885/1 and retaining screw, Part 4: Bore ØD1 = 60H7 mm with keyway to DIN 6885/1 and set screw.Delivery without oil filling, no oil filling quantity specification.
Product code:
• With one keyway:2LC0900-8CD99-0AA0L1E+M1E
• With two keyways set 180° apart:2LC0900-8CD99-0AA0-ZL1E+M1E+L46
• With two keyways set 120° apart:2LC0900-8CD99-0AA0-ZL1E+M1E+L47
ØD
1
ØD
2
ØD
1
ØD
2
ØD
A
ØD
3
ØD
A
ØD
3
NL1 L2
L1 L2
LG
NL1
SS
LG
Type FGM
Hollow shaft
Part 9
G_MD10_EN_00133
Drive Output
Drive Output
Type FVM
Hollow shaft
Part 9
Delay
chamber
Size Type Maxi-mum speed
Dimensions in mm Product code Weight
FLUDEX coupling N–EUPEX M coupling with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Oil filling quantities for FG/FV series
13/30 Siemens MD 10.1 · 2008
13
n Selection and ordering data
This assignment is valid for a maximum starting torque Tmax = 2.0 x Teff (FG series) or Tmax = 1.5 x Teff (FV series), and mineral oils with a viscosity of VG 22/VG 32.
If other operating fluids are used, or with drive via the hollow shaft or Tmax 2.0 x Teff or Tmax 1.5 x Teff, changed filling quantities must be observed!
Ordering example type FGO/FVO from page 13/26:
Motor 132 kW, Peff = 110 kW, n1 = 1470 rpm
Selection: FLUDEX FGO/FGV coupling size 490, Hollow shaft: Bore ØD2 = 70H7 mm with keyway to DIN 6885/1 and retaining screw. Delivery with oil filling: FGO = 14.4 l / FVO = 15.2 l (see under oil filling quantities for FG/FV series in this catalog section).
Product code:
• In type FGO:2LC0901-1CE09-0AA0-ZL1G+F16+Y90plain text to Y90: 14.4 l
• In type FGV:2LC0901-1ED09-0AA0-ZL1G+F16+Y90plain text to Y90: 15.2 l
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Oil filling quantities for FG/FV series
13/31Siemens MD 10.1 · 2008
13
Ordering example type FGD from page 13/27:
Motor 350 kW, Peff = 315 kW, n1 = 1470 rpm
Selection: FLUDEX FGD coupling size 655, standard type, Hollow shaft: Bore ØD2 = 120H7 mm with keyway to DIN 6885/1 and retaining screw, Part 2: Bore ØD1 = see ordering data table “Without finished bore” and “With finished bore”, keyway to DIN 6885/1 and set screw.Delivery without oil filling, no oil filling quantity specification.
Product code:
• Without finished bore for ØD1 = 110 mm:2LC0901-3CA19-0AA0L1S
• Without finished bore for ØD1 = 130 mm:2LC0901-3CA29-0AA0L1S
• With finished bore for ØD1 = 140H7 mm:2LC0901-3CA99-0AA0L1S+M1V
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Type FND
13/34 Siemens MD 10.1 · 2008
13
n Selection and ordering data
Type with large delay chamber and attached N-EUPEX D coupling.Enables fitting and dismounting of the coupling without displacement of the coupled shafts.
For ordering example, see page 13/39.
ØD
1 ØD
3
ØD
2
ØD
A
NL1
L1 NL2
S
LG
Hub long
Hub standard Part 11
Hub carrier
(Delay chamber)
Drive OutputG
_M
D10
_E
N_00136
Size Maximum speed
Hub carrier
Dimensions in mm Product code Weight
FLUDEX coupling N–EUPEX D coupling with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Type FNDB
13/35Siemens MD 10.1 · 2008
13
n Selection and ordering data
Type with large delay chamber and attached N-EUPEX coupling and brake drum.Enables fitting and dismounting of the coupling without displacement of the coupled shafts.
L2 denotes the shaft insertion depth.In the case of shaft ends deviating from DIN 748 the insertion depth must be specified in plain text and with Y29.
ØD
1 ØD
3
ØD
2
ØN
D2
ØD
BT
ØD
A
NL1
L1 L2
S
BBT A
LG
L4
Output
Hub long
Hub standard
Part 10
Part 32Hub carrier
(Delay chamber)
Drive
G_M
D10
_E
N_00137a
Size Maxi-mum speed
Hub carrier Dimensions in mm Product code Weight
FLUDEX coupling N-EUPEX coupling Part 32 – Brake drum with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
Selection: FLUDEX FNDB coupling size 370, standard type, Hub carrier: Long hub bore ØD1 = 65H7 mm with keyway to DIN 6885/1 and set screw, Part 32: Ø315 x 118, bore ØD2 = 80H7 mm with keyway to DIN 6885/1 and retaining screw, with electronic or mechanical operation monitoring, seal set Perbunan.Delivery without oil filling, no oil filling quantity specification.
Product code:
• With brake drum part 32 Ø315 x 118:2LC0900-8GD99-2AA0L1F+M1J
• With brake drum part 32 Ø400 x 150 extended:2LC0900-8GD99-2DA0L1F+M1J
Size Maxi-mum speed
Hub carrier Dimensions in mm Product code Weight
FLUDEX coupling N-EUPEX coupling Part 32 – Brake drum with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
FLENDER Standard CouplingsFluid Couplings - FLUDEX SeriesType FNDS SB with large delay chamber
and brake disk for stopping brake
13/37Siemens MD 10.1 · 2008
13
n Selection and ordering data
Type with large delay chamber, attached N-EUPEX coupling and brake disk for stopping brakes.Enables fitting and dismounting of the coupling without displacement of the coupled shafts.
L2 denotes the shaft insertion depth.In the case of shaft ends deviating from DIN 748 the insertion depth must be specified in plain text and with Y29.
For ordering example, see page 13/40.
1) Hub reduction possible; specify product code with “-Z” and order code “Y99” with dimension NL2 in plain text.
ØD
1
ØD
3
ØD
2
ØN
D2
ØD
BS
ØD
A
NL1
L1 L2
S
W 185BBS
ØD
4
ØD
5
LG
NL2 = 218
L4
Output
Hub long
Hub standard
Part 10
Part 32Hub carrier
(Delay chamber)
Drive
G_MD10_EN_00138a
Size Maxi-mum speed
Hub carrier
Dimensions in mm Product code Weight
FLUDEX coupling N-EUPEX coupling Part 32 – Brake disk1) Space dimen-sions
with order codes for bore diameters and tolerances (product code without -Z)– selection in catalog part 3
nKmax D1 L1 NL1 DA LG D3 S L4 D2 ND2 DBS BBS D5 D4 W m
FLENDER Standard CouplingsFluid Couplings - FLUDEX SeriesType FNDS HB with large delay chamberand brake disk for blocking brake
13/38 Siemens MD 10.1 · 2008
13
n Selection and ordering data
Type with large delay chamber, attached N-EUPEX coupling and brake disk for blocking brakes.Enables fitting and dismounting of the coupling without displacement of the coupled shafts.
For ordering example, see page 13/40.
1) Hub reduction possible; specify product code with “-Z” and order code “Y99” with dimension L5 in plain text.
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Oil filling quantities for FN series
13/39Siemens MD 10.1 · 2008
13
n Selection and ordering data
This assignment is valid for a maximum starting torque Tmax = 1.3 x Teff and mineral oils with a viscosity of VG 22/VG 32.
If other operating fluids are used, or with drive via the shaft or Tmax 1.3 x Teff, changed filling quantities must be observed!
Ordering example type FNO from page 13/32:
Motor 110 kW, Peff = 90 kW, n1 = 1470 rpm, maximum output torque Tmax = 1.3 x Teff
Selection: FLUDEX FNO coupling size 425, Hub carrier: Standard hub bore ØD1 = 75H7 mm with keyway to DIN 6885/1 and retaining screw, seal set Viton.Specification of oil filling quantity: 12.4 l (see under oil filling quantities for the FN series in this catalog section).
Product code:
• With 110 °C fuse:2LC0901-0GA90-1AA0-ZL1H+Y90+F05plain text to Y90: 12.4 l
• With 140 °C fuse:2LC0901-0GA90-1AA0-ZL1H+Y90+F07plain text to Y90: 12.4 l
• With 160 °C fuse:2LC0901-0GA90-1AA0-ZL1H+Y90+F08plain text to Y90: 12.4 l
Ordering example type FND from page 13/34:
Motor 132 kW, Peff = 110 kW, n1 = 1470 rpm
Selection: FLUDEX FND coupling size 490, Hub carrier: Long hub bore ØD1 = 80H7 mm with keyway to DIN 6885/1 and set screw, Part 11: Bore ØD1 = 80H7 mm with keyway to DIN 6885/1 and set screw, with electronic or mechanical operation monitoring, seal set Perbunan.Delivery without oil filling, no oil filling quantity specification.
Product code:
• With 110 °C thermal switch:2LC0901-1GC99-2AA0-ZL1J+M1J+F03
• With 125 °C EOC transmitter:2LC0901-1GC99-2AA0-ZL1J+M1J+F04
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Oil filling quantities for FN series
13/40 Siemens MD 10.1 · 2008
13
Ordering example type FNDS SB from page 13/37:
Motor 37 kW, Peff = 30 kW, n1 = 1470 rpm
Selection: FLUDEX FNDS SB coupling size 370, Hub carrier: Standard hub bore ØD1 = 55H7 mm with keyway to DIN 6885/1 and retaining screw, Part 32: Bore ØD2 = 75H7 mm with keyway to DIN 6885/1 and retaining screw, with preservation suitable for indoor storage.Delivery without oil filling, no oil filling quantity specification.
Product code:
• With standard preservation:2LC0900-8GE99-1CA0L1D+M1H
• With preservation for 6 months:2LC0900-8GE99-1CA0-ZL1D+M1H+B31
• With preservation for 24 months:2LC0900-8GE99-1CA0-ZL1D+M1H+B28
• With preservation for 36 months:2LC0900-8GE99-1CA0-ZL1D+M1H+B34
Ordering example type FNDS HB from page 13/38:
Motor 200 kW, Peff = 160 kW, n1 = 1470 rpm
Selection: FLUDEX FNDS HB coupling size 490, Hub carrier: Long hub bore ØD1 = 110H7 mm with keyway to DIN 6885/1 and set screw, Part 11: Bore ØD2 = 80H7 mm with keyway to DIN 6885/1 and set screw, Fitting position: Horizontal/vertical motor underneath (MU).Delivery without oil filling, no oil filling quantity specification.
Product code:
• In horizontal version:2LC0901-1GF99-2AA0L1Q+M1J
• In vertical version MU:2LC0901-1GF99-2AA0-ZL1Q+M1J+F14
FLENDER Standard CouplingsFluid Couplings - FLUDEX Series
Mass moments of inertiaand maximum oil filling quantities
13/47Siemens MD 10.1 · 2008
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Type FNDB
JI Mass moment of inertia of the inner rotor (hollow shaft (106)/shaft (106) + blade wheel (105) + any parts of the add-on coupling connected to them) in kgm2
JA Mass moment of inertia of the outer housing (shell (101) + cover (102) + any hub carrier (120) or add-on coupling) in kgm2
Mass moments of inertia J (including the power-transmitting oil filling components) apply to maximum bores
Y Centroidal distance of the drive-side coupling masses, measured from the hub end face of the hub carrier.
FY Effective weight in mass center
FLUDEX size
Hub carrier Brake drum JA JI Weights Oil filling quantity
Y FY max.
Hub ØDBT x BBT kgm2 kgm2 mm N l
370 Standard Ø315 x 118 0.657 0.640 197 665 8.2
Ø400 x 150 1.341
Long Ø315 x 118 0.647 0.640 227
Ø400 x 150 1.341
425 Standard Ø315 x 118 1.107 0.811 224 940 12.5
Ø400 x 150 1.492
Long Ø315 x 118 1.102 0.811 254
Ø400 x 150 1.492
490 Standard Ø400 x 150 2.480 1.994 235 1420 19
Ø500 x 190 4.009
Long Ø400 x 150 2.474 1.994 265
Ø500 x 190 4.009
565 Standard Ø400 x 150 4.175 2.835 278 1900 29
Ø500 x 190 4.775
Long Ø400 x 150 4.251 2.835 318
Ø500 x 190 4.775
655 Standard Ø500 x 190 9.319 6.677 330 3000 45
Ø630 x 236 11.577
Long Ø500 x 190 9.523 6.677 370
Ø630 x 236 11.577
755 Standard Ø630 x 236 15.616 15.178 352 4200 69
Long 15.950
887 Standard Ø710 x 265 33.662 30.832 406 6900 110